2 years ago

Use cross product then solve the 1 step equation s/23=12/15

Mathematics

1 answer:

kogti [31]2 years ago

3 0

Answer:

18.4 I think

Step-by-step explanation:

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Step-by-step explanation:

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57.5+1=58.5

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3 years ago

From a population of 200,000,000 elements, the standard deviation is known to be 14. A sample of 49 elements is selected. It is

Talja [164]

Answer:

The standard error of the mean = 2

Step-by-step explanation:

Given that:

The standard deviation σ = 14

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$S.E = \dfrac{14}{7}$

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